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A 73 kg skydiver can be modeled as a rectangular "box" with dimensions 21cm x 44cmx 1.8m? What is his terminal speed if he falls feet first? (m/s)
When triggered, a current of 1.03 x 104 A flows through the wire, which accelerates the wire along the rails. Calculate the final speed of the wire as it leaves the rails. (Neglect friction.)
An electric dipole consists of Q=330nC separated by a distance of 1200nm. The dipole is initially oriented in -i direction. The dipole is in a uniform external electric field of E= 2500 i N/C Deter
The work function of Scandium is 3.5 eV. a) what is the threshold frequency for the photoelectric effect in Scandium?
The wire makes an angle of 32.3° with the magnetic field lines. If the magnitude of the force on the wire is 0.535 N, what is the magnitude of the magnetic field?
A hollow, conducting sphere inner radius ra= 18cm and outer radius rb=24cm has a charge of -3.7n C is placed on the conducter. At the center of the sphere and insulated from the sphere is a point
A pipe of length 0.80m is opened at both ends. If the fundamental frequency of this pipe is 340 Hz. What would be its fundamental frequency if it is closed at one end? Assume the pipe to have th
Zyton Corp. budgets production of 292 units in January and 264 units in February. Each finished unit requires five pounds of raw material Z, which costs $6 per pound. Each month's ending inventory o
Calculate the angular momentum of the system when the stick is pivoted about an axis perpendicular to the table through the 60.0 cm mark.
A series of object are being rotated. The same net torque is being applied to each object. Rank the object in order of the resulting angular acceleration (1=lowest).
A square plate of edge length 12.0 cm and negligible thickness has a total charge of 5.80 x 10-6 C. Estimate the magnitude E of the electric field just off the center of the plate (at, say, a distan
The magnifying power of an astronomical telescope in the normal adjustment poition is 20.If the lenght of the telescope is 105 cm in this adjustment, Find the focal lengths of the 2 lences.
The distance between the slits and the screen is two meters. Calculate the slit width and slit separation.
Each month's ending inventory of raw materials should be 30% of the following month's budgeted production. The January 1 raw materials inventory has 438 pounds of Z. Prepare a direct materials budge
The moment of inertia of the student plus stool is 3.09 kg·m2 and is assumed to be constant. The student pulls the weights in horizontally to a position 0.302 m from the rotation axis.(a) Find
Using the classical and relativistic expressions for kinetic energy, calculate the range of velocities for a particle of mass m such that we use the classical expression for kinetic energy to within
It is now cooled at constant volume to 200 deg C. This process is followed by an isothermal process ending at the saturated liquid state. Determine the total heat transfer required in kJ.
Determine the total mass of water remaining in the tank and the total amount of heat transfer if heating occurs until the final quality is 50%.
An initially empty bottle is filled with water from a line at 0.8 MPa, 350 deg C. Assuming no heat transfer and that the bottle stops the filling process when its pressure reaches the line pressure,
A sample containing 3.00 mol of an ideal gas at 25C is expanded isothermally and reversibly from an initial volume if 6.0L to a final volume of 24.0L. Calculate delta G and delta A for this process.
Calculate relation between radiation power if sphere with temperature 1000k and diameter 100m and smother sphere with twice less temperature and twice large diameter.
The light of incidents under the angle 60° from vacuum onto transparent medium. The anglr of refraction is 45°. what is the velocity of the light in this medium.
A 2.80-m length of wire is held in an east-west direction and moves horizontally to the north with a speed of 0.250 m/s. The Earth's magnetic field in this region is of magnitude 50.0 µT and